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Three-dimensional tungsten structure for an incandescent lamp and light source comprising said structure

  • US 20040239228A1
  • Filed: 08/20/2003
  • Published: 12/02/2004
  • Est. Priority Date: 01/11/2002
  • Status: Abandoned Application
First Claim
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1. Three-dimensional tungsten structure, in particular a filament, for an incandescent lamp, characterized in that it comprises a plurality of tungsten microfilaments (6A) with micrometric and/or nanometric dimensions, preferably with a circular or quadrangular section, disposed in the space to form a photonic crystal structure.

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